Blowing machine



FIG. 1 is a right side view of the ornamental appearance of the blowing machine;

FIG. 2 is a left side view of the blowing machine shown in FIG. 1;

FIG. 3 is a top view of the blowing machine shown in FIG. 1;

FIG. 4 is an enlarged rear view of the blowing machine shown in FIG. 1;

FIG. 5 is an enlarged right perspective view of the blowing machine shown in FIG. 1;

FIG. 6 is an enlarged left perspective view of the blowing machine shown in FIG. 1; and,

FIG. 7 is a right perspective view of the blowing machine shown in FIG. 1.

Any surfaces of the design not shown, including interior or bottom surfaces, form no part of the claimed invention. 

I claim the ornamental design for a blowing machine, as shown and described. 